Home / 13,870,775.28-20,814,382.50-7,727,898.59

Finding the Fourth Proportional to 13,870,775.28, 20,814,382.50 and 7,727,898.59

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Solution

The fourth proportional to 13,870,775.28, 20,814,382.50 and 7,727,898.59 is: 11,596,427.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,870,775.28 : 20,814,382.50 = 7,727,898.59 : x
  2. Step 2: Convert to fraction form
    13,870,775.28/20,814,382.50 = 7,727,898.59/x
  3. Step 3: Cross multiply
    13,870,775.28x = 20,814,382.50 × 7,727,898.59
  4. Step 4: Simplify right side
    13,870,775.28x = 160,851,437,173,470.69
  5. Step 5: Solve for x
    x = 160,851,437,173,470.69/13,870,775.28
  6. Step 6: Final answer
    x = 11,596,427.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.